function main(item) {
    // 获取URL参数
    const url = item.url;
    const id = ku9.getQuery(url, "id") || 'zjws';
    const v = ku9.getQuery(url, "v") || 'v1';
    const r = ku9.getQuery(url, "r") || '1080';
    const t = ku9.getQuery(url, "t") || 'm3u8';

    // 频道ID映射
    const n = {
        'zjws': '01',
        'zjqj': '02',
        'zjjjsh': '03',
        'zjjkys': '04',
        'zjmsxx': '06',
        'zjxw': '07',
        'zjse': '08',
        'zjgj': '10',
        'zjhyg': '11',
        'zjzjjl': '12'
    };

    // 生成播放地址
    let playurl;
    if (v === 'v1') {
        playurl = v1(n[id], r, t);
    } else if (v === 'v2') {
        playurl = v2(n[id], r);
    }

    // 返回播放地址
    return JSON.stringify({ url: playurl });

    // v1播放地址生成函数
    function v1(id, r, t) {
        const path = '/channel' + id + '/' + r + 'p.' + t;
        const e = Math.floor(Date.now() / 1000);
        const key = '9T08yiAoqM4eeCwV';
        const s = ku9.md5(path + '-' + e + '-0-0-' + key);
        const auth_key = e + '-0-0-' + s;
        const arr = ['zhfivel02', 'zhfivel04', 'zhfivel06'];
        const ip1 = arr[Math.floor(Math.random() * arr.length)];
        const playurl = "http://" + ip1 + ".cztv.com" + path + "?auth_key=" + auth_key;
        return playurl;
    }

    // v2播放地址生成函数
    function v2(id, r) {
        const path = '/live/channel' + id + r + 'P.m3u8';
        const e = Math.floor(Date.now() / 1000);
        const key = 'CHWr9VybUeBZE1VB';
        const s = ku9.md5(path + '-' + e + '-0-0-' + key);
        const auth_key = e + '-0-0-' + s;
        const arr = ['zwebl02', 'zwebl04', 'zwebl06'];
        const ip1 = arr[Math.floor(Math.random() * arr.length)];
        const playurl = "http://" + ip1 + ".cztv.com" + path + "?auth_key=" + auth_key;
        return playurl;
    }
}
